diff --git a/Containerfile b/Containerfile
index 21a0386..2d8af9f 100644
--- a/Containerfile
+++ b/Containerfile
@@ -1,4 +1,4 @@
-FROM rust:1.64 as builder
+FROM rust:1.70 as builder
 
 # Create a new empty project.
 RUN USER=root cargo new --bin tildes-statistics